TW201526594A - Wearable device - Google Patents

Abstract

A wearable device includes a metal body, a nonconductive partition, and a metal loop. The metal body substantially has a hollow structure. The nonconductive partition is disposed on the metal body. The metal loop is disposed on the nonconductive partition. The metal loop has a feeding point and forms an antenna structure of the wearable device.

Description

Wearable device

The present invention relates to a wearable device, and more particularly to a wearable device and an antenna structure thereof.

With the development of mobile communication technologies, mobile devices have become more and more popular in recent years, such as portable computers, mobile phones, multimedia players, and other portable electronic devices with mixed functions. In order to meet people's needs, mobile devices usually have the function of wireless communication. Some cover long-range wireless communication range, for example, mobile phones use 2G, 3G, LTE (Long Term Evolution) systems and the 700MHz, 850MHz, 900MHz, 1800MHz, 1900MHz, 2100MHz, 2300MHz and 2500MHz bands used for communication, and Some cover short-range wireless communication ranges, such as Wi-Fi, Bluetooth, and WiMAX (Worldwide Interoperability for Microwave Access) systems using 2.4 GHz, 3.5 GHz, 5.2 GHz, and 5.8 GHz bands for communication.

According to the research direction of each brand manufacturer, the next generation of mobile devices is likely to be "Wearable Device". For example, watches, glasses, and even clothing on the body have the opportunity to have wireless communication capabilities in the future. However, in the case of a watch in a wearable device, the internal space is very narrow and is not sufficient to accommodate an antenna for wireless communication. This will be a big challenge for antenna designers.

In a preferred embodiment, the present invention provides a wearable device comprising: a metal body, substantially a hollow structure; A metal ring is disposed on the non-conductor partition and has a feed point, wherein the metal ring forms an antenna structure of the wearable device.

100, 200, 300, 400, 500‧‧‧ wearable devices

110, 410, 510‧ ‧ metal body

120, 220, 320, 420, 520‧‧‧ non-conductor dividers

130, 530‧‧‧Metal ring

140‧‧‧Transparent components

150‧‧‧ Strap

190‧‧‧Signal source

260‧‧‧Metal penetration

425‧‧‧Gap of non-conductor divider

411‧‧‧The prominent part of the metal body

F1‧‧‧Feeding point

FB1‧‧‧ operating band

Length of the notch of the L1‧‧‧ non-conductor divider

1A is a partial exploded view of a wearable device according to an embodiment of the invention; FIG. 1B is a partial combination view of a wearable device according to an embodiment of the invention; A complete combination diagram of a wearable device according to an embodiment of the invention is shown; FIG. 1D is a diagram showing a voltage standing wave ratio of an antenna structure of a wearable device according to an embodiment of the invention; A partially exploded view of a wearable device according to an embodiment of the invention; a third partial view of a wearable device according to an embodiment of the invention; and a fourth embodiment showing a wearable device according to an embodiment of the invention A partially exploded view of the wearable device of the embodiment; and a fifth partial view of a wearable device according to an embodiment of the invention.

In order to make the objects, features and advantages of the present invention more comprehensible, the specific embodiments of the invention are set forth in the accompanying drawings.

FIG. 1A is a partially exploded view showing a wearable device 100 according to an embodiment of the invention. FIG. 1B is a partial assembled view of the wearable device 100 according to an embodiment of the invention. Please refer to Figures 1A and 1B together. In a preferred embodiment, the wearable device 100 is a Wrist-wearable Device, such as a smart watch or a smart sports wristband. As shown in FIGS. 1A and 1B, the wearable device 100 includes at least a metal body 110, a non-conductor partition 120, and a metal ring 130. The metal body 110 is substantially a hollow structure. The shape, pattern, and surface treatment of the metal body 110 are not particularly limited in the present invention. The non-conductor partition 120 can be made of plastic. The non-conductor partition 120 is disposed on the metal body 110 and is substantially interposed between the metal ring 130 and the metal body 110. The metal ring 130 is disposed on the non-conductor partition 120, wherein the metal ring 130 is used to form an antenna structure of the wearable device 100. The metal ring 130 has a feed point F1, wherein the feed point F1 can be coupled to a signal source 190, such as a radio frequency (RF) module, which can be used to excite the antenna structure. The position of the feed point F1 is not particularly limited in the present invention. For example, the feed point F1 may be located at the center of one side of the metal ring 130 or at a corner.

In some embodiments, the metal body 110 is substantially a coverless type (eg, a coverless hollow cube having a square opening), and both the non-conductor partition 120 and the metal ring 130 are located in one of the coverless type openings. side. metal The body 110 can be used to accommodate various device components, such as: a battery, an hour hand, a minute hand, a second hand, a radio frequency module, a signal processing module, a counter, a processor, a thermometer, or (and) Barometer (not shown). In some embodiments, the non-conductor divider 120 is generally a loop structure, and the loop structure is approximately the same size as the metal ring 130. For example, the non-conductor partition 120 and the metal ring 130 may be substantially equal-sized two square rings for mating with a square opening of the metal body 110. It must be understood that although not shown in FIGS. 1A and 1B, the wearable device 100 may further include other components such as a time adjuster, a connecting strap, and a buckle.

FIG. 1C is a view showing a wearable type according to an embodiment of the present invention. A complete combination of devices 100. In the embodiment of Figure 1C, the wearable device 100 is implemented in a watch. In this design, the wearable device 100 further includes a transparent member 140 and a strap 150. For example, the transparent element 140 can be a surface glass or a transparent plastic plate. The transparent element 140 may be disposed in the non-conductor partition 120 and may be surrounded by the non-conductor partition 120. Other watch components, such as one hour hand, one minute hand, and one second hand, can be disposed under the transparent member 140 for a user to observe. The strap 150 can be coupled to the opposite sides of the metal body 110 so that a user can attach the wearable device 100 to the wrist thereof by the strap 150.

FIG. 1D shows a wearable type according to an embodiment of the invention. A voltage standing wave ratio (VSWR) diagram of the antenna structure of the device 100, wherein the horizontal axis represents the operating frequency (MHz) and the vertical axis represents the voltage standing wave ratio. According to the measurement result of FIG. 1D, when the metal ring 130 of the wearable device 100 is fed by the signal source 190, the antenna structure can be excited and generated. At least one operating frequency band FB1. In some embodiments, the antenna structure has an operating frequency band FB1 between about 2400 MHz and 2500 MHz. Therefore, the wearable device 100 of the present invention can support at least the wireless communication functions of the Wi-Fi and Bluetooth bands. Since the metal ring 130 can be implemented by a very thin metal sheet and becomes part of the appearance component of the wearable device 100, the present invention can simultaneously reduce the size of the antenna, maintain the antenna bandwidth, reduce the cost, and beautify The advantages of the device appearance and the like are very suitable for use in various miniaturized smart wearable devices.

2 is a partial exploded view of a wearable device 200 in accordance with an embodiment of the present invention. Figure 2 is basically similar to Figures 1A, 1B, and 1C. In the embodiment of FIG. 2, the wearable device 200 further includes one or more metal contacts (Metal Vias) 260. The metal penetrating portions 260 may be formed in a non-conductor partition 220 , wherein the metal ring 130 may be coupled to the metal body 110 via the metal penetrating portions 260 . For example, the feed point F1 and the metal penetrating portions 260 may be adjacent to opposite sides of the metal ring 130, respectively, but are not limited thereto. By varying the number and location of the metal penetrating portions 260, the antenna designer can adjust the resonant length and impedance matching of one of the antenna structures of the wearable device 200 to control the operating frequency band of the antenna structure. The remaining features of the wearable device 200 of FIG. 2 are similar to those of the wearable device 100 of FIGS. 1A, 1B, and 1C, so that the second embodiment can achieve similar operational effects.

Figure 3 is a partial exploded view of the wearable device 300 in accordance with an embodiment of the present invention. Figure 3 is basically similar to Figures 1A, 1B, and 1C. In the embodiment of FIG. 3, the wearable device 300 further includes a plurality of metal penetrating portions 260. The metal penetrating portions 260 may be formed in a non-conductor partition 320, wherein the metal ring 130 may be coupled to the metal via the metal penetrating portions 260. Body 110. For example, the feeding point F1 and the metal penetrating portions 260 may be adjacent to adjacent three sides of the metal ring 130, wherein the metal penetrating portions 260 are asymmetrically disposed on the metal ring 130. In the two sides, but not limited to this. By varying the number and location of the metal penetrating portions 260, the antenna designer can adjust the resonant length and impedance matching of one of the antenna structures of the wearable device 300 to control the operating band of the antenna structure. The remaining features of the wearable device 300 of FIG. 3 are similar to those of the wearable device 100 of FIGS. 1A, 1B, and 1C. Therefore, the second embodiment can achieve similar operational effects.

Figure 4 is a partial exploded view of a wearable device 400 in accordance with an embodiment of the present invention. Figure 4 is basically similar to Figures 1A, 1B, and 1C. In the embodiment of FIG. 4 , one of the non-conductor partitions 420 of the wearable device 400 has a notch 425 , wherein the metal ring 130 can be coupled to a metal body 410 via the notch 425 of the non-conductor partition 420 . In more detail, the metal body 410 further includes a protruding portion 411, wherein the protruding portion 411 can pass through the notch 425 of the non-conductor partition 420 and directly contact the metal ring 130. For example, the feed point F1 and the notch 425 of the non-conductor partition 420 may be adjacent to opposite sides of the metal ring 130, respectively, but are not limited thereto. By varying the length L1 and position of the notch 425 of the non-conductor divider 420, the antenna designer can adjust the resonant length and impedance matching of one of the antenna structures of the wearable device 400 to control the operating band of the antenna structure. The remaining features of the wearable device 400 of FIG. 4 are similar to those of the wearable device 100 of FIGS. 1A, 1B, and 1C. Therefore, the second embodiment can achieve similar operational effects.

Figure 5 is a partial exploded view of a wearable device 500 in accordance with an embodiment of the present invention. Figure 5 is basically similar to Figures 1A, 1B, and 1C. In the embodiment of Figure 5, one of the metal bodies 510 of the wearable device 500 is generally a capless hollow cylinder having a circular opening. In addition, one of the non-conductor partitions 520 and one of the metal ring 530 of the wearable device 500 can be substantially two circular rings of equal size for matching the circular opening of the metal body 510. In other embodiments, the metal body 510 may be substantially a coverless hollow elliptical cylinder, and the non-conductor partition 520 and the metal ring 530 are substantially equal-sized two elliptical rings. The remaining features of the wearable device 500 of FIG. 5 are similar to those of the wearable device 100 of FIGS. 1A, 1B, and 1C, so that the second embodiment can achieve similar operational effects.

It is worth noting that the component sizes, component shapes, and And the frequency range is not a limitation of the invention. The antenna designer can adjust these settings according to different needs. Further, the wearable device and the antenna structure of the present invention are not limited to the state illustrated in Figs. 1-5. The present invention may include only any one or more of the features of any one or a plurality of embodiments of Figures 1-5. In other words, not all illustrated features must be implemented simultaneously in the wearable device and antenna structure of the present invention.

The ordinal number in this specification and the scope of the patent application, for example, One, "second", "third", etc., have no sequential relationship with each other, and are only used to indicate that two different elements having the same name are distinguished.

The present invention has been described above with reference to the preferred embodiments thereof, and is not intended to limit the scope of the present invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

100‧‧‧Wearing device

110‧‧‧Metal body

120‧‧‧Non-conductor divider

130‧‧‧Metal ring

190‧‧‧Signal source

F1‧‧‧Feeding point

Claims (10)

A wearable device comprising: a metal body, substantially a hollow structure; a non-conductor partition disposed on the metal body; and a metal ring disposed on the non-conductor partition and having a feed point Wherein the metal ring forms an antenna structure of the wearable device. The wearable device of claim 1, wherein the wearable device is implemented in a watch. The wearable device of claim 1, wherein the metal body is substantially a coverless type, and the non-conductor partition and the metal ring are located on one of the open sides of the coverless box type. The wearable device of claim 1, wherein the non-conductor partition is substantially a loop structure, and the loop structure is substantially the same size as the metal loop. The wearable device of claim 4, further comprising: a transparent member disposed in the non-conductor partition and surrounded by the non-conductor partition. The wearable device of claim 1, further comprising: one or a plurality of metal penetrating portions formed in the non-conductor partition, wherein the metal ring is coupled to the metal through the metal penetrating portion Metal body. The wearable device of claim 6, wherein the feed point and the metal penetration portions are respectively adjacent to opposite sides of the metal ring. The wearable device of claim 1, wherein the non-conductor partition has a notch, and the metal ring is coupled to the gold via the notch Is a body. The wearable device of claim 8, wherein the feeding point and the notch of the non-conductor partition are respectively adjacent to opposite sides of the metal ring. The wearable device of claim 1, wherein the antenna structure is activated to generate an operating band, and the operating band is between about 2400 MHz and 2500 MHz.